David Walsh Blog

• By David WalshMay 6, 2021

  Not All Advice is Good Advice

  From the time we're children, we're trusting people. We rely on those close and older than us to point us toward success and "the right way". One of the toughest days of our lives is when we realize our parents, or people we look...

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• By David WalshApril 29, 2021

  Image Optimization Strategies Compared

  We all know the stats. Slower website performance is strongly linked to higher abandon rates and lower conversions. What you may not know is that the main culprit is bloated web page payloads, bringing down our otherwise performant web pages via images.That being said, images...

• By David WalshApril 26, 2021

  Regular Expression Match Groups

  Regular expressions are incredibly powerful but can be difficult to maintain. They're a skill you learn on the job and, when the suits walk by, make you look incredibly smart if you have a few up on your screen. How can we solve the...

• By David WalshApril 20, 2021

  Object.entries

  Navigating and managing data structures is a really important skill for every level of engineer to have and improve upon. Over the years, the JavaScript language has continued to provide more methods for managing data structures, from Object.keys to Object.values and so on. One...

• By David WalshApril 19, 2021

  CSS Smooth Scroll

  Improving the user experience of web applications has always been a priority of mine. I always come back to the same though I've had for 20 years: "users expect a web app to work -- let's make the app a joy to use."...

• By David WalshApril 16, 2021

  Monitor Your SEO Placement with SEObase

  Search engine optimization is big business; both SEO experts and their customers want to track the effectiveness of their keywords, campaigns, and competition. To get and measure those results, however, you need the right tooling monitor those results. SEObase is an awesome tool for doing...

• By David WalshApril 13, 2021

  Five Top Quality APIs

  It's easy to think about creating beautiful UIs for presenting data when you don't consider the effort that goes into gathering and serving the data itself. Here's the thing -- thanks to apilayer, you can focus on your UIs and not the pain of API...

• By David WalshApril 12, 2021

  Intl.NumberFormat

  Formatting numbers on the client side is an important task, especially when you consider how much raw API usage is in play these days. What's also important is ensuring those numbers are meaningful to users, no matter where they are in the world, especially if...

• By David WalshApril 8, 2021

  Detect CSS Overflow Elements

  Every once in a while you encounter a CSS annoyance that takes some cleverness to discover. One such case rears its ugly head in unwanted and unexpected scrollbars. When I see unwanted scrollbars, I usually open developer tools, click the element inspector, and hover...

• By David WalshMarch 25, 2021

  How to Mine Ethereum

  Note: I expect a large number of people to object to cryptocurrency mining's energy use and I totally understand. Hell, I agree. A few notes to consider: first, this will soon be remedied by Ethereum switching to proof os stake. Second, much...